ScienceAges 13-15

Wave speed, frequency & wavelength

Use the wave equation (v = fλ) to calculate wave speed from frequency and wavelength. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 13-15

Wave speed, frequency & wavelength

Take your time. Show your thinking.

1. A wave has frequency 13 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 13 Hz
2. A wave has frequency 31 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 31 Hz
3. A wave has frequency 31 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 31 Hz
4. A wave has frequency 33 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 33 Hz
5. A wave has frequency 27 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 27 Hz
6. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 28 Hz
7. A wave has frequency 9 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 9 Hz
8. A wave has frequency 32 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 32 Hz
9. A wave has frequency 37 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 37 Hz
10. A wave has frequency 12 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 12 Hz
11. A wave has frequency 23 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 23 Hz
12. A wave has frequency 26 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 26 Hz

12 questions · Seed 57 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Wave speed, frequency & wavelength

Answers and reasoning. Review before teaching.

1. A wave has frequency 13 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
39 m/s
Wave speed v = f × λ = 13 × 3 = 39 m/s.
2. A wave has frequency 31 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
186 m/s
Wave speed v = f × λ = 31 × 6 = 186 m/s.
3. A wave has frequency 31 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
248 m/s
Wave speed v = f × λ = 31 × 8 = 248 m/s.
4. A wave has frequency 33 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
198 m/s
Wave speed v = f × λ = 33 × 6 = 198 m/s.
5. A wave has frequency 27 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
324 m/s
Wave speed v = f × λ = 27 × 12 = 324 m/s.
6. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
308 m/s
Wave speed v = f × λ = 28 × 11 = 308 m/s.
7. A wave has frequency 9 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 9 × 15 = 135 m/s.
8. A wave has frequency 32 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 32 × 3 = 96 m/s.
9. A wave has frequency 37 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
111 m/s
Wave speed v = f × λ = 37 × 3 = 111 m/s.
10. A wave has frequency 12 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
120 m/s
Wave speed v = f × λ = 12 × 10 = 120 m/s.
11. A wave has frequency 23 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
161 m/s
Wave speed v = f × λ = 23 × 7 = 161 m/s.
12. A wave has frequency 26 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
338 m/s
Wave speed v = f × λ = 26 × 13 = 338 m/s.

12 questions · Seed 57 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Wave speed, frequency & wavelength

Take your time. Show your thinking.

1. A wave has frequency 13 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 13 Hz
2. A wave has frequency 31 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 31 Hz
3. A wave has frequency 31 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
λ = 8 m · f = 31 Hz
4. A wave has frequency 33 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
λ = 6 m · f = 33 Hz
5. A wave has frequency 27 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
λ = 12 m · f = 27 Hz
6. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
λ = 11 m · f = 28 Hz
7. A wave has frequency 9 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
λ = 15 m · f = 9 Hz
8. A wave has frequency 32 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 32 Hz
9. A wave has frequency 37 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
λ = 3 m · f = 37 Hz
10. A wave has frequency 12 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
λ = 10 m · f = 12 Hz
11. A wave has frequency 23 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
λ = 7 m · f = 23 Hz
12. A wave has frequency 26 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
λ = 13 m · f = 26 Hz

12 questions · Seed 57 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Wave speed, frequency & wavelength

Answers and reasoning. Review before teaching.

1. A wave has frequency 13 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
39 m/s
Wave speed v = f × λ = 13 × 3 = 39 m/s.
2. A wave has frequency 31 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
186 m/s
Wave speed v = f × λ = 31 × 6 = 186 m/s.
3. A wave has frequency 31 Hz and wavelength 8 m. Use v = fλ to calculate its wave speed.
248 m/s
Wave speed v = f × λ = 31 × 8 = 248 m/s.
4. A wave has frequency 33 Hz and wavelength 6 m. Use v = fλ to calculate its wave speed.
198 m/s
Wave speed v = f × λ = 33 × 6 = 198 m/s.
5. A wave has frequency 27 Hz and wavelength 12 m. Use v = fλ to calculate its wave speed.
324 m/s
Wave speed v = f × λ = 27 × 12 = 324 m/s.
6. A wave has frequency 28 Hz and wavelength 11 m. Use v = fλ to calculate its wave speed.
308 m/s
Wave speed v = f × λ = 28 × 11 = 308 m/s.
7. A wave has frequency 9 Hz and wavelength 15 m. Use v = fλ to calculate its wave speed.
135 m/s
Wave speed v = f × λ = 9 × 15 = 135 m/s.
8. A wave has frequency 32 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
96 m/s
Wave speed v = f × λ = 32 × 3 = 96 m/s.
9. A wave has frequency 37 Hz and wavelength 3 m. Use v = fλ to calculate its wave speed.
111 m/s
Wave speed v = f × λ = 37 × 3 = 111 m/s.
10. A wave has frequency 12 Hz and wavelength 10 m. Use v = fλ to calculate its wave speed.
120 m/s
Wave speed v = f × λ = 12 × 10 = 120 m/s.
11. A wave has frequency 23 Hz and wavelength 7 m. Use v = fλ to calculate its wave speed.
161 m/s
Wave speed v = f × λ = 23 × 7 = 161 m/s.
12. A wave has frequency 26 Hz and wavelength 13 m. Use v = fλ to calculate its wave speed.
338 m/s
Wave speed v = f × λ = 26 × 13 = 338 m/s.

12 questions · Seed 57 · Age guidance, not curriculum certification